Houston Texans.com reports the team has signed stree free agent LBs Shane Elam and Jason Lamar and PK James Tuthill. Elam played in four games for San Francisco as a rookie this past season, Elam played in four games for San Francisco as a rookie this past season and Tuthill was waived by the 49ers in training camp and spent one week on Green Bay’s roster during the 2001 season.